text: Subject coverage includes engineering, management, manufacturing plants, equipment, production, and processing pertaining to various disciplines. The fields of interest are bio-process engineering, chemical engineering, process engineering, environmental protection (including safety), fermentation, enzymology, bio-transformation, information technology, technology and testing of materials (including corrosion), mathematical methods (including modeling), measurement (including control of processes), utilities (including services). Also covered are production processes and process development. CAS registry numbers are also part of this database.